Section 11B(2) in Bihar Minor Mineral Concession Rules, 1972
(2)Where the settlement is made by public auction, a deed shall ordinarily be executed in Form 'O' or in a Form as near thereto as circumstances of each case may require, of this Rule within 60 days of the order of the settlement and if no such deed is executed due to the failure on the part of the settlee the settlement order shall be deemed to have been revoked and security deposit and other amounts paid may be forfeited.]